Process for converting ligneous matter of vegetable origin by to

Details Process for converting ligneous matter of vegetable origin by to Process for converting ligneous matter of vegetable origin by to

1982-08-23

1985-11-19

Gantz, D. E.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 1R, 44 10B, 44 53, 44 77, 201 23, 208 10, 562515, 562607, 585 16, 585240, C10L 500

Patent

active

045539782

ABSTRACT:
The present invention relates to a process for converting ligneous matter of vegetable origin by torrefaction, and to the product obtained. Wood or any other ligneous matter is subjected in a neutral atmosphere to a treatment of torrefaction at a temperature of between 200.degree. and 280.degree. C., and preferably between 240.degree. and 260.degree. C. for a duration of 30 mins. to 5 hours. The product of the invention is not fermentable, it has a specific mass close to 0.25 kg/dm.sup.3, a calorific power of at least about 5000 kcal/kg, a content of fixed carbon of 35 to 40% and can be broken up by hand; it may be used as fuel in boilers and in gas generators.

REFERENCES:
patent: 1015519 (1912-01-01), Strobach
patent: 2151166 (1939-03-01), Slatineanu
patent: 2177557 (1939-10-01), Bergstrom et al.
patent: 2289917 (1942-07-01), Lambiotte
patent: 2328749 (1943-09-01), Sherrard et al.
patent: 2725346 (1955-11-01), Farber
patent: 3223698 (1965-12-01), Oshima et al.
patent: 4052292 (1977-10-01), Espenschied et al.
patent: 4118281 (1978-10-01), Yan
patent: 4273643 (1981-06-01), Bennett

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